#3A63CF#3A63CF

#3A63CF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.1% C 0.173 H 265.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A63CF
RGB	rgb(58, 99, 207)
HSL	hsl(223, 61%, 52%)
HSV	hsv(223, 72%, 81%)
CMYK	cmyk(72%, 52.2%, 0%, 18.8%)
CIE-LAB	lab(44.70, 22.63, -60.10)
CIE-LCH	lch(44.70, 64.22, 290.64°)
OKLab	oklab(53.14% -0.0144 -0.1729)
OKLCH	oklch(53.14% 0.174 265.2)
XYZ	xyz(17.4653, 14.3264, 60.8642)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63CF #CFA63A

analogous

#3AADCF #3A63CF #5C3ACF

triadic

#3A63CF #CF3A63 #63CF3A

tetradic

#3A63CF #CF3AAD #CFA63A #3ACF5C

square

#3A63CF #CF3AAD #CFA63A #3ACF5C

split-complementary

#3A63CF #CF5C3A #ADCF3A

monochromatic

#1C3473 #284AA4 #3A63CF #6B8ADB #9CB1E7

Accessibility & contrast

On white

5.43

#3A63CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3A63CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63CF

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63CF	#FFFFFF	#000000	##FFFFFF
##3A63CF	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1971D3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3a63cf;
/* rgb */ color: rgb(58, 99, 207);
/* oklch */ color: oklch(53.1% 0.173 265.2);

Tailwind

colors: {
  custom: {
    50: '#838ede',
    500: '#3a63cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a63cf;
$custom-light: #838ede;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63cf",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 207
  },
  "hsl": {
    "h": 223.49,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53135,
    "c": 0.1735,
    "h": 265.2
  },
  "luminance": 0.14328
}

Semantic roles & 50–950 ramp

primary

#3A63CF

secondary

#D3C192

accent

#B844E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A63CF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →